public void Lsb_Encrypt_With_Key_Decrypt_Without_Key_Should_Throws_Error()
{
var fileBytes = System.IO.File.ReadAllBytes(FileHelper.GetPathToSecretData());
using (var stego = new Stego(FileHelper.GetPathToImage()))
{
stego.SetSecretData(fileBytes);
stego.SetSettings(new StegoCore.Model.Settings
{
Key = "aaa"
});
var imageWithSecret = stego.Embed(AlgorithmEnum.Lsb);
stego.SetImage(imageWithSecret);
stego.SetSettings(null);
DecodeException ex = Assert.Throws <DecodeException>(() => { stego.Decode(AlgorithmEnum.Lsb); });
}
}
public void Lsb_Encrypt_With_Key_Decrypt_With_Key()
{
var fileBytes = System.IO.File.ReadAllBytes(FileHelper.GetPathToSecretData());
using (var stego = new Stego(FileHelper.GetPathToImage()))
{
stego.SetSecretData(fileBytes);
stego.SetSettings(new StegoCore.Model.Settings
{
Key = "aaa"
});
var imageWithSecret = stego.Embed(AlgorithmEnum.Lsb);
stego.SetImage(imageWithSecret);
byte[] resultSecret = stego.Decode(AlgorithmEnum.Lsb);
Assert.Equal(fileBytes, resultSecret);
}
}